12039862 has 4 divisors (see below), whose sum is σ = 18059796. Its totient is φ = 6019930.

The previous prime is 12039829. The next prime is 12039869. The reversal of 12039862 is 26893021.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12039869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3009964 + ... + 3009967.

It is an arithmetic number, because the mean of its divisors is an integer number (4514949).

Almost surely, 2^12039862 is an apocalyptic number.

12039862 is a deficient number, since it is larger than the sum of its proper divisors (6019934).

12039862 is an equidigital number, since it uses as much as digits as its factorization.

12039862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6019933.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12039862 is about 3469.8504290531. The cubic root of 12039862 is about 229.1960716575.

The spelling of 12039862 in words is "twelve million, thirty-nine thousand, eight hundred sixty-two".